- a brief, intensive course of instruction, as to prepare one quickly for a test.
Also called cram course.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for crash course
Since it was early afternoon, Rinzler gave me a crash-course in “right drinking” over a pot of Chrysanthemum tea.Meditation Teacher Lodro Rinzler Rebrands Buddhism to Deal with Drinking and Sex
February 11, 2012
Idioms and Phrases with crash course
A short, intensive training course, as in Daisy planned to take a crash course in cooking before she got married. [Colloquial; mid-1900s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.